MITSUBISHI ICs (TV) M52765FP PLL-SPLIT VIF/SIF IC INTEGRATED CIRCUIT M52765FP 1 . Model Number : VIF amplification, Picture detection, APC detection, IF / RF AGC, VCO, AFT, Lock detection, Analog SW, SIF amplification, QIF amplification, QIF detection, QIF AGC, SIF limiter, FM detection. 2 . Functions 2 . 1 Function name Figure 1 2 . 2 Block diagram 3 . Applications : TV,VTR 4 . Package specifications 4 . 1 Package name 24 - pin plastic mold flat package 4 . 2 Package diagram number G465098 5 . Circuit diagram number 6 . Pin configuration SIF CARRIER DET LEVEL APC FILTER 1 24 2 23 3 22 4 21 VIF IN VIF IN GND GND 5 20 6 19 Vcc Vcc 7 18 VCO COIL 8 17 VCO COIL SIF IN 9 16 SIF CARRIER DET OUT 10 15 QIF OUT 11 14 12 13 AF FILTER LIMITER IN RF AGC DELAY AFT OUT RF AGC OUT NC IF AGC FILTER / FM RADIO FM DET COIL AUDIO OUT 7 . Related standards VIDEO OUT NTSC / OTHER SW MITSUBISHI ICs (TV) M52765FP PLL-SPLIT VIF/SIF IC 8 . Absolute maximum ratings ( Ta = 25ºC, unless otherwise noted ) Symbol Ratings Vcc 6.0 V Power Consumption Pd 1190 mW Operating Temperature Topr -20 ~ +75 ºC Tstg -40 ~ +150 ºC Parameter Supply Voltage 1 Storage Temperature Temperature Characteristics Unit Note ( maximum ratings ) Mounting in standard circuit board 1750 1500 1250 1190 1000 714 750 500 250 0 -20 0 25 50 75 100 Ambient temperature Ta (ºC) 9 . Recommended Operating Condition Supply Voltage Range (Vcc) • • • • • • • 4.75 to 5.25 V Rated Supply Voltage (Vcc) • • • • • • • 5.0 V 125 150 MITSUBISHI ICs (TV) M52765FP PLL-SPLIT VIF/SIF IC 10 . Block diagram and peripheral circuit Vcc 5V 5V VCO COIL 5549 24 23 22 21 19 20 18 17 BPF 1K 16 15 14 VCO LIM AMP Radio APC TV FM DET VIDEO DET AMP AFT 13 QIF DET 47K IF AGC 47K QIF AGC Radio TV RF AGC 1 5V 2 3 4 5 6 AF AMP SIF AMP VIF AMP 7 8 9 10 11 12 N.C TP3 TP1 SIF IN VIF IN SW1 5V 1 5V FM det coil 5923 5V TP2 FIG.1 MITSUBISHI ICs (TV) M52765FP PLL-SPLIT VIF/SIF IC 11. Electrical Characteristics (VCC=5V,Ta=25ºC unless otherwise noted) TV Mode Measurement condition NO Parameter Test Test Input Input Symbol Circuit Point Point SG External power V10 V14 switches set to position 1 unless otherwise noted Limits Unit Note MIN TY P MAX 1 Circuit Current 1 ICC1 Vcc=5V 1 A VIF IN SG1 — — VCC=5V SW19=2 30 43 56 mA 2 Video Output DC Voltage 1 V22 1 TP22A — — 0 — SW10=2 3.2 3.5 3.8 V 3 Video Output Voltage 1 Vo det 1 TP22A VIF IN SG1 — — 1.8 2.1 2.4 Vp-p 4 Video S/N Video S/N 1 TP22B VIF IN SG2 — — SW22=2 51 56 — dB 1 5 Video Band Width BW 1 TP22A VIF IN SG3 Vari— able SW10=2 6.0 7.0 — MHz 2 VIN MIN 1 TP22A VIF IN SG4 — — — 48 52 dBµ 3 VIN MAX 1 TP22A VIF IN SG5 — — — dBµ 4 5 6 7 Input Sensitiv ity Maximum Allowable Input 101 105 8 AGC Control Range Input GR — — — — — — 50 57 — dB 9 IF AGC Voltage V10 1 TP10 VIF IN SG6 — — 2.9 3.2 3.5 V V10H 1 TP10 — — — — 4.0 4.4 — V Minimum IF AGC V10L Voltage 1 TP10 VIF IN SG7 — — 2.2 2.4 2.6 V Maximum IF AGC 10 Voltage 11 12 Maximum RF AGC Voltage V3H 1 TP3 VIF IN SG6 — — 4.2 4.7 — 13 Minimum RF AGC Voltage V3L 1 TP3 VIF IN SG7 — — — 0.1 0.5 V 14 RF AGC Delay Point V3 1 TP3 VIF IN SG8 — — 89 92 95 dBµ 6 MHz 7 MHz 8 9 SW1=1 V 15 Capture Range CL-U U 1 TP22A VIF IN SG9 — — 1.0 1.7 — 16 Capture Range CL-L L 1 TP22A VIF IN SG9 — — 1.8 2.4 — 17 Capture Range CL-T T — — — — — — 3.1 4.1 — MHz 23 35 70 mV kHz 10 — V 10 1.2 V 10 18 AFT Sensitiv ity µ 1 TP2 VIF IN SG10 — — 19 AFT Maximum Voltage V2H 1 TP2 VIF IN SG10 — — 20 AFT Minimum Voltage V2L 1 TP2 VIF IN SG10 — — 3.85 4.15 — 0.7 MITSUBISHI ICs (TV) M52765FP PLL-SPLIT VIF/SIF IC Measurement condition NO Parameter Test Test Input Input Symbol Circuit Point Point SG External power switches set to position 1 unless otherwise noted V10 V14 Vari- Limits Unit Note MIN TY P MAX 35 40 — dB 21 Inter Modulation IM 1 TP22A VIF IN SG11 able — 22 Dif f erential Gain DG 1 TP22A VIF IN SG12 — — — 2 5 % 23 Dif f erential Phase DP 1 TP22A VIF IN SG12 — — — 2 5 deg 24 Sy nc. tip lev el V22 SYNC 1 TP22A VIF IN SG2 — — 0.85 1.15 1.45 V 25 VIF Input Resistor RINV 2 TP5 — — — — 1.2 kΩ 26 VIF Input capacitance CINV 2 TP5 — — — — 5 pF SW10=2 11 MITSUBISHI ICs (TV) M52765FP PLL-SPLIT VIF/SIF IC Measurement condition NO Parameter Symbol Test Test Circuit Point Input Point Input SG External power V10 V14 switches set to position 1 unless otherwise noted Limits Unit Note MIN TY P MAX 27 QIF Output Voltage 1 QIF1 1 VIF IN SG2 — TP15 SIF IN SG13 — 90 96 102 dBµ 28 QIF Output Voltage 2 QIF2 1 VIF IN SG2 TP15 SIF IN SG14 — — 90 96 102 dBµ 29 AF Output (4.5MHz) VoAF1 1 TP12 LIM SG15 — IN — 300 430 615 mVrms 30 AFOutput Distortion (4.5MHz) THD AF1 1 TP12 LIM SG15 — IN — — 0.2 1.0 % 31 Limiting Sensitivity (4.5MHz) LIM1 1 TP12 LIM SG16 — IN — — 55 60 dBµ 12 32 AM Rejection (4.5MHz) AMR1 1 TP12 LIM SG17 — IN — 40 46 — dB 13 33 AF S/N (4.5MHz) AF S/N1 1 TP12 LIM SG19 — IN — 46 53 — dB 14 34 SIF Input Resistor RINS 2 TP9 — — — — — 1.5 — kΩ 35 SIF Input capacitance CINS 2 TP9 — — — — — 4 — pF Input Point Input SG FM Radio Mode Measurement condition NO Parameter Test Test Symbol Circuit Point External power V10 V14 32 SIF detection out High Voltage V16H 1 TP16 — 33 SIF detection out Low Voltage V16L 1 TP16 34 SIF detection Threshold Point TSIF 1 35 RF AGC Delay Point V3F 36 AF Output 37 38 — switches set to position 1 unless otherwise noted Limits Unit Note MIN TY P MAX 0 — SW10=2 4.0 4.8 — V SIF IN SG20 0 — SW10=2 — 0.2 1.0 V TP16 SIF IN SG21 0 — SW10=2 85 90 95 dBµ 15 1 TP3 SIF IN SG21 0 — SW1=2 SW10=2 85 90 95 dBµ 16 VoF 1 TP12 LIM IN SG22 0 — SW10=2 400 560 800 mVrms AF Output Distortion THD F 1 TP12 LIM IN SG22 0 — SW10=2 — 0.2 1.0 % AF S/N S/N F 1 TP12 LIM IN SG19 0 — SW10=2 55 62 — dB 17 MITSUBISHI ICs (TV) M52765FP PLL-SPLIT VIF/SIF IC Measuring Circuit Diagram 1 BPF 1K SW19 LIM IN Vcc 5V 1 A TP22B V14 2 1 51 2 5V SW14 TP24 1 2 2 VCO COIL 5549 SW22 2 1 TP15 1 TP14 TP16 TP21 24 23 22 21 19 20 18 17 16 15 14 VCO LIM AMP Radio APC TV AFT FM DET VIDEO DET AMP 13 QIF DET 47K IF AGC 47K QIF AGC Radio TV 1 2 3 4 5V N.C TP3 TP1 5 AF AMP SIF AMP VIF AMP RF AGC 6 7 8 9 10 11 12 TP10 1:1 TP9 SW1 TP12 5V 1 51 FM det coil 5V 5923 51 SIF IN TP2 SW10 2 1 VIF IN V8 ♦ All capacitor is 0.01µF, unless otherwise noted. ♦ The Measuring Circuit 1 is Mitsubishi standard evaluation fixture. Fig.2 MITSUBISHI ICs (TV) M52765FP PLL-SPLIT VIF/SIF IC Measuring Circuit Diagram 2 24 23 22 21 19 20 18 17 16 15 14 VCO LIM AMP Radio APC TV FM DET VIDEO DET AMP AFT 13 QIF DET 47K IF AGC 47K QIF AGC Radio TV RF AGC 1 2 3 4 5 6 TP4 HI RX LO meter AF AMP SIF AMP VIF AMP 7 8 9 10 TP7 HI RX LO meter ♦ All capacitor is 0.01µF, unless otherwise noted. 11 12 MITSUBISHI ICs (TV) M52765FP PLL-SPLIT VIF/SIF IC INPUT SIGNAL 50 Ω Termination SG 1 fo=58.75MHz AM 20 KHz 77.8 % 90 dBµ 2 fo=58.75MHz 90 dBµ Cw 3 f1=58.75MHz 90 dBµ Cw f2=Frequency Variable 70 dBµ Cw 4 fo=58.75MHz AM 20 KHz 77.8% Level Variable 5 fo=58.75MHz AM 20 KHz 14.0% Level Variable 6 fo=58.75 MHz 80 dBµ Cw 7 fo=58.75 MHz 110 dBµ Cw 8 fo=58.75 MHz 9 fo=Frequency Variable AM 20 KHz 10 fo=Frequency Variable 90 dBµ Cw 11 f1=58.75MHz 90 dBµ Cw f2=55.17MHz 80 dBµ Cw f3=54.25MHz 80 dBµ Cw 12 fo=58.75MHz 87.5 % TV modulation Ten-step waveform Sync Tip Level 90 dBµ 13 fo=54.25MHz 95 dBµ Cw 14 fo=54.25MHz 75 dBµ Cw 15 16 fo=4.5 MHz 90 dBµ FM 400 Hz ±25 KHz dev 17 fo=4.5 MHz 100 dBµ AM 400 Hz 30 % 18 fo=4.5 MHz 19 fo=4.5 MHz 90 dBµ Cw 20 fo=54.25 MHz 21 fo=54.25 MHz Level Variable Cw 22 fo=4.5 MHz 90 dBµ FM 400 Hz ±75 KHz dev fo=4.5 MHz Mixed Signal Cw Level Variable Level Variable 77.8 % 90 dBµ Mixed Signal FM 400Hz ±25KHz dev Level Variable Cw 90 dBµ Cw MITSUBISHI ICs (TV) M52765FP PLL-SPLIT VIF/SIF IC Notes 1. Video S/N Input SG2 into VIF IN and measure the video out(Pin 22) noise in r.m.s at TP22-B through a 5MHz (-3dB) L.P.F. S/N=20 log 0.7 x V0 det NOISE (dB) 2. Video Band width: BW 1. Measure the 1MHz component level of Video output TP22A with a spectrum analyzer when SG3(f2=57.75MHz) is input into VIF IN. At that time, measure the voltage at TP10 with SW10, set to position 2, and then fix V10 at that voltage. 2. Reduce f2 and measure the value of (f2 -f1 ) when the (f2 -f1 ) component level reaches -3dB from the 1MHz component level as shown below. TP22 -3dB ( f2 - f1 ) 1 MHz BW 3. Input Sensitivity: VIN MIN Input SG4 (Vi=90dBµ) into VIF IN , and then gradually reduce Vi and measure the input level when the 20KHz component of Video output TP22A reaches 3dB from Vo det level. 4. Maximum Allowable Input: VIN MAX 1. Input SG5 (Vi=90dBµ) into VIF IN , and measure the level of the 20KHz component of Video output. 2. Gradually increase the Vi of SG and measure the input level when the output reaches -3dB. MITSUBISHI ICs (TV) M52765FP PLL-SPLIT VIF/SIF IC 5. AGC Control Range: GR GR = VIN MAX - VIN M IN (dB) 6. RF AGC Operating Voltage: V3 Input SG8 into VIF IN and gradually reduce Vi and then measure the input level when RF AGC output TP3 reaches 1/2 VCC, as shown below. TP3 Voltage V 3H 1/2VCC V 3L Vi Vi(dBµ) 7. Capture range: CL - U 1. Increase the frequency of SG9 until the VCO is out of locked-oscillation. 2. Decrease the frequency of SG9 and measure the frequency fU when the VCO locks. CL - U = fU - 58.75 (MHz) 8. Capture range: CL - L 1. Decrease the frequency of SG9 until the VCO is out of locked-oscillation. 2. Increase the frequency of SG9 and measure the frequency fL when the VCO locks. CL - L = 58.75 - fL (MHz) 9. Capture range: CL - T CL - T = CL - U + CL - L (MHz) MITSUBISHI ICs (TV) M52765FP PLL-SPLIT VIF/SIF IC 10. AFT sensitivity µ, Maximum AFT voltage V2H , Minimum AFT voltage V2L 1. Input SG10 into VIF IN, and set the frequency of SG10 so that the voltage of AFT output TP2 is 3V . This frequency is named f(3). 2. Set the frequency of SG10 so that the AFT output voltage is 2V. This frequency is named f(2) 3. IN the graph, maximum and minimum DC voltage is V2H and V2L, respectively. TP2 Voltage 5V µ= 1000 (mV) f(2) - f(3) (kHz) V 2H (mV/kHz) 4V V 2L f(3) f(2) f(MHz) 11. Inter modulation: IM 1. Input SG11 into VIF IN, and measure EQ output TP22A with an oscilloscope. 2. Adjust AGC filter voltage V10 so that the minimum DC level of the output waveform is 1.0V. 3. At this time, measure TP22A with a spectrum analyzer . The inter modulation is defined as a difference between 0.92MHz and 3.58 MHz frequency components. MITSUBISHI ICs (TV) M52765FP PLL-SPLIT VIF/SIF IC 12. Limiting Sensitivity: LIM 1. Input SG16 (Vi=90dBµ) into SIF IN, and measure the 400Hz component level of AF output TP12. 2. Lower the input level of SG16, and measure the level of SG16 when the VoAF level reaches -3dB. -3dB Audio output [mVrms] LIM 90 Input lev el [dBµ] 13. AM Rejection: AMR 1. Input SG17 into SIF IN, and measure the output level of AF OUT (TP12). This level is named VAM. 2. AMR is ; AMR = 20log VoAF (mVr.m.s) VAM (mVr.m.s) (dB) 14. AF S/N: AF S/N 1. Input SG19 into SIF IN, and measure the output noise level of AF OUT (TP12). This level is named VN. 2. S/N is; S/N = 20log VoAF (mVr.m.s) VN (mVr.m.s) (dB) MITSUBISHI ICs (TV) M52765FP PLL-SPLIT VIF/SIF IC 15. SIF detection threshold level TSIF SG21 is applied to SIF IN and the input amplitude is swept. Then, the level of SG21, TSIF, is measured at the time when the DC voltage of SIF CARRIER DET OUT (TP16) has just begun to vary. 16. RF AGC voltage V3F SG21 is applied to SIF IN and the input amplitude is swept. Then, the level of SG21, V3F, is measured at the time when the DC voltage of RF AGC OUT (TP3) has just reached 1/2Vcc. 17. AF S/N (S/N F) 1. SG19 is applied to SIF IN and the output noise of AUDIO OUT (TP12) is measured. The measured noise is named VNF. [dB] S/N F = 20log VoF [mVr.m.s] 2. S/N F is, VNF [mVr.m.s] MITSUBISHI ICs (TV) M52765FP PLL-SPLIT VIF/SIF IC VCO coil adjustment methods 1. Input SG2 (fo=58.75MHz, 90dBµ CW) into VIF IN. 2. And adjust the coil until the voltage of AFT output reaches about Vcc/2=2.5V. FM DET coil adjustment methods 1. The first thing, adjust the VCO coil. 2. Input SG13 (fo=54.25MHz, 95dBµ CW) into SIF IN. 3. Change the switch of SW13 and SW15 to 2 position. 4. Change to FM RADIO mode (V10=0V). 5. Adjust the DC voltage of AFT OUT to Vcc/2 and SIF det OUT to Low (under 1V). Material Frame : Copper alloy Lead plating : Solder plating Plastic molded Indications MITSUBISHI Model Number M52765FP XXXXXX Mark lot number Lot number constitution 9120 34 The first place of the year (1999) weekly code (12th week) Production factory code Running number